Web.config Custom Errors mode Conflict

Question

I have a great and important problem with Web.Config, I need to see the Error of my page and resolve it in asp.net web form and web config, but when Error Occurred, I see an

Answer 1

I've never seen it say set to On. I've seen it say set customeErrors to off which will give you detailed errors. Set it to off and then add the actual error message you see to this post. Are you positive your not getting a different message like a 404 error?